diff --git a/Code/Mantid/MantidQt/CustomInterfaces/inc/MantidQtCustomInterfaces/Muon/ALCBaselineModellingModel.h b/Code/Mantid/MantidQt/CustomInterfaces/inc/MantidQtCustomInterfaces/Muon/ALCBaselineModellingModel.h
index d430a7772a69..5391083016a7 100644
--- a/Code/Mantid/MantidQt/CustomInterfaces/inc/MantidQtCustomInterfaces/Muon/ALCBaselineModellingModel.h
+++ b/Code/Mantid/MantidQt/CustomInterfaces/inc/MantidQtCustomInterfaces/Muon/ALCBaselineModellingModel.h
@@ -86,6 +86,9 @@ namespace CustomInterfaces
     /// Disables points which shouldn't be used for fitting
     static void disableUnwantedPoints(MatrixWorkspace_sptr ws, const std::vector<Section>& sections);
 
+    /// Enable previously disabled points
+    static void enableDisabledPoints(MatrixWorkspace_sptr destWs, MatrixWorkspace_const_sptr sourceWs);
+
   };
 
 } // namespace CustomInterfaces
diff --git a/Code/Mantid/MantidQt/CustomInterfaces/src/Muon/ALCBaselineModellingModel.cpp b/Code/Mantid/MantidQt/CustomInterfaces/src/Muon/ALCBaselineModellingModel.cpp
index 7fd099cbf5d3..688b5f267c1b 100644
--- a/Code/Mantid/MantidQt/CustomInterfaces/src/Muon/ALCBaselineModellingModel.cpp
+++ b/Code/Mantid/MantidQt/CustomInterfaces/src/Muon/ALCBaselineModellingModel.cpp
@@ -39,9 +39,11 @@ namespace CustomInterfaces
     fit->setProperty("CreateOutput", true);
     fit->execute();
 
-    MatrixWorkspace_const_sptr fitOutput = fit->getProperty("OutputWorkspace");
+    MatrixWorkspace_sptr fitOutput = fit->getProperty("OutputWorkspace");
     m_parameterTable = fit->getProperty("OutputParameters");
 
+    enableDisabledPoints(fitOutput,m_data);
+
     setCorrectedData(fitOutput);
     setFittedFunction(funcToFit);
     m_sections = sections;
@@ -94,6 +96,18 @@ namespace CustomInterfaces
     }
   }
 
+  /**
+   * Enable points that were disabled for fit
+   * @param destWs :: Workspace to enable points in
+   * @param sourceWs :: Workspace with original errors
+   */
+  void ALCBaselineModellingModel::enableDisabledPoints (MatrixWorkspace_sptr destWs, MatrixWorkspace_const_sptr sourceWs)
+  {
+    // Unwanted points were disabled by setting their errors to very high values.
+    // We recover here the original errors stored in sourceWs
+    destWs->dataE(0) = sourceWs->readE(0);
+  }
+
   MatrixWorkspace_sptr ALCBaselineModellingModel::exportWorkspace()
   {
     if ( m_data && m_data->getNumberHistograms() == 3 ) {